Posts Tagged ‘Accelerometers’

Wiimote: Inaccurate, or is mine just broken?

Saturday, April 17th, 2010

314015709 92c3fd3877 m Wiimote: Inaccurate, or is mine just broken?
I recently got a 2nd hand Wii. Playing Wii Sports Boxing, I noticed how inaccurate the Wiimote is… doing, for example, an uppercut, (on both Wiimote and nunchuck, actually), doesn’t always result in an uppercut. Sometimes it gives me a different punch. But I swear! I’m doing the same motion…
Then on SSX blur, many times swinging the controler to one side doesn’t make the character that is mid air swing in the right direction.
So my question is… Is it REALLY like that? Are the accelerometers (I’m assuming that’s what handles those movements) in the Wiimote really just inaccurate, or is my controller broken?
It’s not the batteries, they have sufficient power. I have tried reseting the system, reconnecting the wiimote through the home screen, and eve re-synced it.
I’m not using large sweeping movements. In fact, they seem to be MORE reliable when I do use large sweeping movements! Someone wrote an FAQ about the different punches in Wii Sports Boxing, but even his tips don’t work for me. He says all you have to do to do a hook punch is by moving your control left or right in a straight line. And as for uppercuts, it’s supposedly just done by moving your controller upwards. These don’t work for me half the time. Most of the time, nothing happens, or a regular straight punch happens. It just all seems completely random to me no matter how fine or small my movements are. I just want to know if other people have the same problem, or if I should return this from the person who sold it to me. Can anyone get consistent uppercuts or hooks at all?

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Playstation Move: Everything You Ever Wanted To Know

Monday, April 5th, 2010

Sony dropped a lot of knowledge on us yesterday, at long last replacing rampant speculation with some cold hard facts — and even a name! — for its new PlayStation motion controller. The PlayStation Move is being described as a “platform” and a “virtual console launch” by folks at Sony, and we think they mean it, so prepare for a motion-controlled ad war later this year, as Microsoft and Sony set themselves up for a real three-way fight with Nintendo for your physical living room activity of the gaming variety. While some of the high-level Wii-like functionalities might be obvious, follow us after the break as we walk through the nitty gritty of everything we know so far about Move.

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If you’ve seen a Wii before, you’re already familiar with the most basic concept here. PlayStation Move is a motion controller system, with sensors to detect the player’s movements and translate them into gameplay. There’s a wrist strap, so you’re expected to make some exaggerated movements. Where Move departs from the Wii is that while the Wii has detection of movement (with its built-in accelerometers), pointing (with the sensor bar), or even exact orientation (with that addition of MotionPlus), Move can track its controller precisely within real 3D space, instead of just relative movement based on a previous position. For gameplay this means less of those cute little flicks Wii pros have come so fond of — most gameplay motions require a full and complete movement on Move — but it also means interesting things for augmented reality. Of course, for augmented reality you need a camera, and lucky for Sony it has the PlayStation Eye already on the market. In fact, the Move system is partly based on what the Eye can detect of those cute colored balls at the end of each Move controller, which lets the PlayStation know how far away from the camera the controller is, and map, say, a tennis racket exactly to a user’s hand.

This sounds all well and good, but it would be worthless if Sony hadn’t worked out the potential lag in such a CPU-heavy tracking process. Luckily, they say they’ve got the problem cracked, sending control data with a mere 1 fps delay — equal to that of the DualShock 3.

The Move controller is a very odd-looking affair. It’s almost like if you took a wireless microphone, and then extended the mesh ball past the top of the mic until it was its own separate entity. Then you lit the mesh on fire and started waving the mic around wildly. Alright, analogy gone too far.

The black, matte plastic of the controller will be very familiar to anyone who’s held a DualShock 3 before, and the sense of weight and balance — not too heavy to be cumbersome, not too light as to feel cheap — is right on target as well. The controller is significantly lighter than a Wiimote, which seems like it’ll really help fight fatigue, and we’re guessing that’s mostly to do with the fact that instead of AA batteries the Move controller rocks a rechargeable battery. Of course, with a few of these laying around (the PS3 can support four at once), in addition to your existing DualShocks and maybe a sub-controller or two, we can imagine a burgeoning market for USB charging trees. Of course it’s wireless, based on Bluetooth, and the sub-controller is tether-free as well.

The controller is basically cylindrical, with a slight ergonomic taper in the middle, though thanks to the flattened face buttons area and the trigger notch, it’s easy to keep the controller in its correct orientation. At the end of the controller is the light-up ball, which is actually hollow, incredibly squishy, and built out of some very odd rubbery material. The upshot of the controller’s layout is that your hand should be covering all the hard plastic stuff when you’re playing, with just the squishy ball exposed, so potential injuries have already been slightly mitigated without having to resort to the shame of a Wiimote condom.

That ball serves quite a few purposes. Firstly, it’s tracked by the PlayStation Eye for its X, Y, and Z positioning in 3D space, based on its size and location in the camera field. One thing that helps it be tracked is the fact that it lights up from within, but those lights serve an additional purpose of conveying game info. None of the games we played last night used this feature (picking instead an arbitrary color), but most of them were planning on it. The ball can flash any RGB color, and has a really delightful glow to it. It’s easily the most distinctive bit of the whole setup visually, and expect your less-informed friends to be asking you about “that controller with the funny glowing ball at the end of it” as we near the launch.

Location in 3D space is of doubtless importance, but equally important in motion gaming are the angle, orientation, and acceleration of the controller, and PlayStation Move luckily has those in spades. The Move controller has a three-axis gyroscope, three-axis accelerometer and a “terrestrial magnetic field sensor.” We’re not sure what that last thing is, perhaps a compass, but it sounds pretty badass. The upshot of all this is that even if you take the light-up ball off camera, or it’s obscured somehow, the controller still does a good job of figuring out its orientation and movement. A couple of games even have preprogrammed gestures for spin attacks where you literally spin yourself around, or taunts where you place the controller behind your back. In addition to the feedback of the light-up ball there’s also built-in rumble. Poor SIXAXIS never stood a chance.

On the face of the controller are small versions of the standard square / circle / triangle / x face buttons, which are slightly more resistive and clicky than a regular PlayStation controller — they’re clearly designed more for occasionally activating a function than constant mashing. Your thumb primarily rests on a large button in the center with the Move logo inscribed on it. We heard this called the “plunger” by one developer, though that doesn’t seem to be an official title. In games it’s merely denoted by a grey icon in the pill shape of the button. The button has a nice feel to it, and its unique shape means it’s easy to hold down without fatigue — something we’ve had trouble with at times with the Wii’s A button. Below the thumb button and recessed enough to be in no danger of an accidental press is the PlayStation button for bringing up the XMB and syncing the controller with the console. Around back is an analog trigger that is nicely notched and very comfy, and on the front sides are flattened Start and Select buttons.

The “sub-controller” (that’s the official, un-catchy name for it at the moment) is a much more limited affair, thought it’s easily more complicated than its Nunchuck competition on the Wii side when it comes to buttons. Up top there’s a nice, DualShock-style analog stick, below that is a d-pad flanked by replicas of the main controller’s X and O buttons (we’re guessing this will give people some flexibility in control schemes, otherwise it could cause some major headaches if each X or O does something different), and there’s also another PlayStation button. Around back is a second analog trigger more akin to the DualShock’s than the notched one on the main controller, and above that is an analog shoulder button. There are no motion sensors inside the sub-controller, and from what we can tell there’s no rumble either, though we couldn’t get a straight “no” on that.
PlayStation Move first hands-on

Uses

Between the PlayStation Eye, up to four Move controllers, some unnamed quantity of sub-controllers, and your hooligan friends, the combinations and uses are pretty endless. Here are some configurations that are possible off the top of our heads: we’re sure there are others, but this should get your imagination going:

* Single Move controller: This is the most basic setup, and how the controller will be sold as a kit: PlayStation Eye, Move controller, and game.
* Dual Move controllers: We saw a ton of examples of this in videos and in actual games we tested, so prepare to spring for a second Move controller right away. Luckily, many of the dual-controller games seemed to have a mode where you can control them with a single controller, but that sounds pretty sub-optimal.
* Move controller + PlayStation Eye: Obviously everything uses the Eye for detecting motion, but we also saw some games like Move! Party (a working title) and EyePet that rely heavily on the Eye. Uses include capturing your face and mapping it to a character, giving you a 3D prop but otherwise displaying the full video feed, and voice commands (there’s built-in mic on the Eye).
* Move controller + sub-controller: We’ve only seen this demoed with SOCOM 4 so far, and we get the feeling that Sony is going to reserve this more complicated, optional controller for its core gamers. Since there’s no way to track the motion of the sub-controller, movement possibilities are also reduced compared to a dual Move controller setup.
* Move vs. Move, or Dual Move vs. Dual Move: This is where it should get really fun / dangerous. Two people swinging two Move controllers around wildly. We’re guessing four player games will be possible as well with one person holding one Move each, but we didn’t see any demoed.

Setup

Sony says that most games need configuration before each play. Luckily, it’s a pretty painless process, but it also depends on your setup and the game. For instance, some Move games require a “wingspan check” where you hold one controller out to the side with your arm fully extended, and then hold it near your belt. Some dual Move games have this sort of “magnetic” pairing setup, where you place both controllers side by side and point them at the screen, and they rumble as if attracted to one another. For a shooter like SOCOM there’s a screen that lights up one center edge of the screen at a time and asks you to point there. For all games you’re supposed to stand about two or three yards away from the screen and center yourself on the PlayStation Eye. We don’t know if the PlayStation Eye can be placed either above or below the screen, but in all the setups we saw it was placed right above the TV.

Games

In a way, Sony is only ready to show tech demos at this point, to let people know that Move works and how it works, so it’s understandable that the games were pretty scarce and rough around the edges. We’re promised much more to come, and some more blockbuster-style stuff for 2011. Below is a quick rundown of the games we’ve seen:

Move Party (working title): A minigame collection that uses a lot of augmented reality and bizarre situations to delight, entertain, and eventually bore you. Check out Joystiq’s impressions.

Sports Champions (working title): It’s like Wii Sports, but in HD! We didn’t see all the games, but we know that at least table tennis (single Move, multiplayer is possible) a gladiator game (dual or single Move) and archery (dual Move, probably single Move, it’s unclear). Check out Joystiq’s impressions.

SOCOM 4: It’s a FPS, much akin to a traditional Wii FPS control setup, though with a bit more sensitivity for pointing off screen for camera movement. Uses Move controller + sub-controller. Check out Joystiq’s impressions.

TV SuperStars: A terrifying minigame collection involving tons of facemapping that we’re avoiding at all costs. Steer clear of Joystiq’s gallery.

Slider: Some really bizarre, truly Japanese game where an office worker and a rolling deskchair slide improbably through a cityscape. We haven’t seen it in action yet, but we’re dying to. Joystiq has a gallery.

The Shoot: An on-rails shooter using a single Move controller, with a few motion gimmicks like a spin attack. Was not only unimpressive, but also relatively laggy. We’ll be avoiding. Check out Joystiq’s impressions.

Motion Fighter (working title): A very visceral, “gritty” underground boxing game that uses Dual Move controllers. We didn’t get to play this, but the demo we saw on stage was pretty impressive, including putting an opponent in a headlock and punching their face with the mere power of mime. Joystiq has a gallery.

EyePet: A PlayStation Eye game that’s already available in Europe, but will launch in the US with Move, replacing its card-tracking interface with a Move controller. Joystiq has more info.

Brunswick Pro Bowling: We didn’t see this in action, but we can guess how it goes down.

Most of these from what we can tell are slated to launch when PlayStation Move launches this fall. You can follow the rest of Joystiq’s coverage here, and check out our hands-on impressions with the games / controllers here.

Retail plans

So, now that you know what it is, when can you buy it? It’s slated for a “holidays” launch, which could mean any number of things, but we’re guessing Sony’s going to want this out not long after November. Unfortunately, Sony has a pretty bad track record with launching stuff on time; PlayStation Move was originally slated for Spring, for instance. Obviously they “have” to get it out for the holidays with Microsoft’s Natal launching in a similar time frame, but there’s always the danger of a last minute hiccup, and we’re not going to put too much stock in projected dates until it’s really out.

Pricing details are a little more firm, with a sub-$100 kit slated to bring people the core experience of a PlayStation Eye, Move controller and game (we’re guessing Move Party or Sports Champions, though there’s no confirmation of either). There will also be a PS3 bundle with all those elements, some high-profile games will be bundled with Move, and you can of course buy each element separately — perfect for someone who already owns a PlayStation Eye. There isn’t any word on prices for separate components, but that’s going to be a huge factor in this platform’s success — which we’re sure Sony knows as well as anybody. The beauty of Natal is that you buy it and you’re set, no extra peripherals needed, no matter how many players you add.

Last thoughts
In all, what we saw here at GDC is a very early incarnation of PlayStation Move. While we doubt the controller will change before launch, Sony even has disclaimers on its press images saying that “design and specifications are subject to change without notice,” so anything’s possible. All the software, meanwhile, was labeled “pre-alpha,” and we really think they mean it. Nothing was feature complete, most games had lag and frame rate hiccups, and we kept hearing “we might be adding that” when asking about specific features. It was a true tech demo, and we are sincerely impressed by the technology, despite the issues. However, at the end of the day Sony’s going to have to show up for its little battle with Natal with some serious gaming firepower, and tight, refined experiences. There’s a clear learning curve for developers when it comes to motion controlled gaming that was somewhat forgivable with the Wii at launch, but a few years in we’re frankly expecting perfection, no matter how “unfair” that might be. There aren’t enough pieces for our hearts to break into if this turns into another SIXAXIS debacle.

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The History of the Nintendo Wii and the distinguishing attributes of the Wii consoles

Monday, January 11th, 2010

As a seventh-generation developed by Nintendo, the Nintendo Wii has taken a radical approach to video gaming that simplifies the gaming experience, making it more accessible to the general public. The idea to generate a console that separated itself from market competitors Sony and Microsoft was born in 2001.

 

Influenced by the Nintendo DS, the controller interface that would revolutionize gaming had been complete by 2005. In 2006, Wii consoles were released internationally along with 33 premier titles. The demand for the Nintendo Wii exceeded expectations of the manufacturers, resulting in a world wide shortage. In the beginning of 2007, the Nintendo Wii sold more consoles than the Xbox 360 and the Playstation 3 combined throughout the United States. The success of the Wii consoles reflects Nintendo’s attempt to attract a completely new demographic to gaming.

 

Video games had become too complicated for older and younger individuals alike. The designed game play of the Nintendo Wii, incorporating built-in accelerometers and infrared detection which allowed the unit to acknowledge the spatial movement of the controller, allowed for players to use physical motions as cues for gameplay. Now, instead of using a series of buttons to play a sports game, the player simply needed to move their arm in the desired position to play the game. This eliminated the need for the gamer to memorize button position on the controller and button combinations and manipulations to enjoy the gaming experience. People who had never played a video game in their life could easily jump right into the game and have a fun and memorable experience their very first time. 

 

The Nintendo Wii still appealed to users who had followed the seven generations of Nintendo consoles. Not only did Nintendo provide titles that utilizes past successful characters from previous consoles such as the Super Mario Brothers, The Legend of Zelda, Pokemon, and Metroid, but these Wii consoles offer backwards compatibility with the previous console, the Nintendo Game Cube.

 

For users immersed in the Nintendo products, Wii consoles also provides connectivity with the handheld Nintendo DS. The Nintendo DS can actually be used as a Wii controller incorporating the technology of both the DS microphone and touch screen. These add-on accessories only enhance the gaming experience.

 

The Nintendo Wii is a great entertainment system that will provide hours of fun times for you and your family. With an extensive library of titles including sports games, complicated role playing games, puzzles games, first person shooters and a variety of party games, everyone will be able to find a video game that appeal to them. Wii consoles even promotes physical activity through the game Wii Fit in turn demolishing one of the major critiques of video gaming in general. You are no longer sitting on your couch wasting away. People have embraced the active nature and enjoyable game play of this gaming system.

 

Additionally, Nintendo Wii continues to make advancements in technology and continues to add value packs and additional features to their console. The success of the Wii consoles has also assured gamers that new games and new features will continue to be created and sold for many, many years to come.

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Electronic \’pet\’ Could Replace Passwords and Pins

Thursday, December 24th, 2009

Tag:Electronic pet,replace passwords and PINS
From:http://www.buy-china-toys.com/

Portable electronic pets able to recognise their owner’s voice and walking style could replace passwords and PINs as a way to keep personal details and accounts secure, say UK researchers.
Other experts, though, say the advanced Tamagotchi plan still needs some work.
Called “biometric daemons”, they borrow a concept from Philip Pullman’s His Dark Materials books, in which people are accompanied by an animal daemon that is a physical representation of their soul.
Pamela Briggs, a psychologist and computer scientist at Northumbria University and computer scientist Patrick Olivier at Newcastle University, both in the UK, think their take on the idea could match the security of biometric security systems, and avoid the privacy fears these systems raise.
Pets not passwordsInstead of a person’s biometric signature being stored on a distant database, they would reside only in the daemon – a small gadget carried around by its owner.
Like a real pet, that daemon would learn to imprint itself on its owner. After that it would thrive on their unique biometric signals, such as their voiceprint, fingerprints or walking style.
The human-daemon bond would be further cemented by games and interaction between the two. “Think how people bond with babies,” says Briggs. “You would do the same things with your daemon – cuddle it, stroke it, play verbal games.”
In the presence of its owner, those nourishing signals make the daemon “happy” and able to verify the owner’s identity, just like a PIN or password.
Dead daemonHowever, a daemon separated from its owner would no longer receive nourishment in this way and would pine away and die, just as Pullman’s daemons die when separated from their humans.
The idea might sound bizarre, but Olivier says that the elements needed to make a prototype daemon already exist.
Accelerometers – similar to those used in the Nintendo Wiimote – could detect an individual’s gait, and speech recognition software could identify a unique voiceprint. “The main problem would be with battery life,” Olivier says.
The researchers are reluctant to discuss exactly what form that the daemons would take (see video, top right).
“The key thing is not the daemon’s physical form, but the way one interacts with it,” says Briggs. The daemon could be made in any form, she says, depending on what people relate to best – for example, a toy animal.
‘Immature idea’If a person lost their daemon, their access to their online life would be lost too, says Briggs, so a way to get a new one would be needed.
Reaction to the idea from security experts is mixed. “Work on agents and daemons does not tend to be very rigorous, says John Daugman at the University of Cambridge, UK. “It is difficult to find very much scientific or mathematical content to sink one’s teeth into.”
Alec Yasinsac at Florida State University, Tallahassee, US, says the idea is interesting, but so far immature. “It is hard to predict its potential,” says Yasinsac. “For instance, to understand how nurturing could become irreversible.”
A paper on biometric daemons was presented at the Usability, Psychology, and Security 2008 conference in San Francisco, California, last month.

 

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Electronic \’pet\’ Could Replace Passwords and Pins

Thursday, December 24th, 2009

2252122910 c4c9ba5256 m Electronic \pet\ Could Replace Passwords and Pins

Tag:Electronic pet,replace passwords and PINS
From:http://www.buy-china-toys.com/

Portable electronic pets able to recognise their owner’s voice and walking style could replace passwords and PINs as a way to keep personal details and accounts secure, say UK researchers.
Other experts, though, say the advanced Tamagotchi plan still needs some work.
Called “biometric daemons”, they borrow a concept from Philip Pullman’s His Dark Materials books, in which people are accompanied by an animal daemon that is a physical representation of their soul.
Pamela Briggs, a psychologist and computer scientist at Northumbria University and computer scientist Patrick Olivier at Newcastle University, both in the UK, think their take on the idea could match the security of biometric security systems, and avoid the privacy fears these systems raise.
Pets not passwordsInstead of a person’s biometric signature being stored on a distant database, they would reside only in the daemon – a small gadget carried around by its owner.
Like a real pet, that daemon would learn to imprint itself on its owner. After that it would thrive on their unique biometric signals, such as their voiceprint, fingerprints or walking style.
The human-daemon bond would be further cemented by games and interaction between the two. “Think how people bond with babies,” says Briggs. “You would do the same things with your daemon – cuddle it, stroke it, play verbal games.”
In the presence of its owner, those nourishing signals make the daemon “happy” and able to verify the owner’s identity, just like a PIN or password.
Dead daemonHowever, a daemon separated from its owner would no longer receive nourishment in this way and would pine away and die, just as Pullman’s daemons die when separated from their humans.
The idea might sound bizarre, but Olivier says that the elements needed to make a prototype daemon already exist.
Accelerometers – similar to those used in the Nintendo Wiimote – could detect an individual’s gait, and speech recognition software could identify a unique voiceprint. “The main problem would be with battery life,” Olivier says.
The researchers are reluctant to discuss exactly what form that the daemons would take (see video, top right).
“The key thing is not the daemon’s physical form, but the way one interacts with it,” says Briggs. The daemon could be made in any form, she says, depending on what people relate to best – for example, a toy animal.
‘Immature idea’If a person lost their daemon, their access to their online life would be lost too, says Briggs, so a way to get a new one would be needed.
Reaction to the idea from security experts is mixed. “Work on agents and daemons does not tend to be very rigorous, says John Daugman at the University of Cambridge, UK. “It is difficult to find very much scientific or mathematical content to sink one’s teeth into.”
Alec Yasinsac at Florida State University, Tallahassee, US, says the idea is interesting, but so far immature. “It is hard to predict its potential,” says Yasinsac. “For instance, to understand how nurturing could become irreversible.”
A paper on biometric daemons was presented at the Usability, Psychology, and Security 2008 conference in San Francisco, California, last month.

 

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Nintendo Wii Console – Why You Should Get One

Thursday, December 10th, 2009

Gaming consoles are all the rage and the wii game console is one of the smallest gaming consoles in the market. It is very small weighing less than three pounds and is about 44 millimeters wide, 157 millimeters tall and around 214 millimeters deep. If you stack three DVD cases together, the wii game console would look like that. This tiny gaming console can play wii-disc games as well as Game Cube games. From the house of Nintendo, this particular gaming console is a favorite choice of children and surprisingly, of the senior citizens.

Four slots in the console can be used to plug in the GameCube controllers and there is a separate slot for the Game Cube memory card. The Bluetooth technology is used by the wii remote to connect wirelessly to the wii game console. Infra red detection and accelerometers with a sensor bar also come with this gaming console. A device called the `nunchuk` which is commonly used in wii boxing can also be connected to the remote fro additional uses. In the game of wii boxing, both nunchuk and the remote are used for punching each hand. A wrist strap ensures that players don not drop the remote accidentally.

The wii comes equipped with motion sensor controllers which makes for better gaming as the sensor makes the character on the screen ape your motion when you are moving your hands using the controller. A character based on you called the `mii` can be created on this game console and the `mii` can be used to participate in wii games.

There are many channels on the wii game console and even includes one which tells you the weather. This gaming device has a variety of games to interest children and it is in fact, extremely popular with kids. The most played game on the console would probably be the `Super Smash Brawl` in which both the wii remote and the GameCube controller are used. Other popular games would be tennis, baseball, boxing, golf and the Guitar Hero which has a wireless guitar connecting to the wii. Children love the wii game console because it is non-complicated, easy-to-play and offers a host of games. Parental controls are included in the wii game console for worried parents.

While being a big hit with children, the wii game console is astonishingly hugely popular with the senior citizens also. Its main advantage lies in the fact that it is basically a very simple console to use, unlike the other new, hi-fi consoles which often leave regular players, let alone senior citizens, bewildered. With its simple graphic interface and motion-sensor remote, the games on this console are easy to grasp and play and grandparents can have a great time bonding with their grandkids over a few games.

Senior citizens often feel left out from the thick of things as they may have restricted mobility and sports and such like activities may seem out of their reach. But, the wii game console with its various games has been seen to induce these citizens to leave their chairs for a fun bout of virtual bowling or boxing competitions. The wii`s gentle motions and balance make the console suitable for the elderly. Bowling, tennis, golf can all be enjoyed virtually without having to worry about a bad back or over straining the muscles. It also stimulates the brain as moves have to be thought out and this helps in decreasing cellular aging in the brain.

The wii game console is family-oriented and has managed to hold its own in a competitive market of technologically-superior gaming consoles.

You can have access to articles in portuguese language from the article section of page Literatura_Estrangeira

Roberto Sedycias works as IT consultant for Polomercantil

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Electronic \’pet\’ Could Replace Passwords and Pins

Sunday, December 6th, 2009

Tag:Electronic pet,replace passwords and PINS
From:http://www.buy-china-toys.com/

Portable electronic pets able to recognise their owner’s voice and walking style could replace passwords and PINs as a way to keep personal details and accounts secure, say UK researchers.
Other experts, though, say the advanced Tamagotchi plan still needs some work.
Called “biometric daemons”, they borrow a concept from Philip Pullman’s His Dark Materials books, in which people are accompanied by an animal daemon that is a physical representation of their soul.
Pamela Briggs, a psychologist and computer scientist at Northumbria University and computer scientist Patrick Olivier at Newcastle University, both in the UK, think their take on the idea could match the security of biometric security systems, and avoid the privacy fears these systems raise.
Pets not passwordsInstead of a person’s biometric signature being stored on a distant database, they would reside only in the daemon – a small gadget carried around by its owner.
Like a real pet, that daemon would learn to imprint itself on its owner. After that it would thrive on their unique biometric signals, such as their voiceprint, fingerprints or walking style.
The human-daemon bond would be further cemented by games and interaction between the two. “Think how people bond with babies,” says Briggs. “You would do the same things with your daemon – cuddle it, stroke it, play verbal games.”
In the presence of its owner, those nourishing signals make the daemon “happy” and able to verify the owner’s identity, just like a PIN or password.
Dead daemonHowever, a daemon separated from its owner would no longer receive nourishment in this way and would pine away and die, just as Pullman’s daemons die when separated from their humans.
The idea might sound bizarre, but Olivier says that the elements needed to make a prototype daemon already exist.
Accelerometers – similar to those used in the Nintendo Wiimote – could detect an individual’s gait, and speech recognition software could identify a unique voiceprint. “The main problem would be with battery life,” Olivier says.
The researchers are reluctant to discuss exactly what form that the daemons would take (see video, top right).
“The key thing is not the daemon’s physical form, but the way one interacts with it,” says Briggs. The daemon could be made in any form, she says, depending on what people relate to best – for example, a toy animal.
‘Immature idea’If a person lost their daemon, their access to their online life would be lost too, says Briggs, so a way to get a new one would be needed.
Reaction to the idea from security experts is mixed. “Work on agents and daemons does not tend to be very rigorous, says John Daugman at the University of Cambridge, UK. “It is difficult to find very much scientific or mathematical content to sink one’s teeth into.”
Alec Yasinsac at Florida State University, Tallahassee, US, says the idea is interesting, but so far immature. “It is hard to predict its potential,” says Yasinsac. “For instance, to understand how nurturing could become irreversible.”
A paper on biometric daemons was presented at the Usability, Psychology, and Security 2008 conference in San Francisco, California, last month.

 

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From:http://www.buy-china-toys.com/

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What Can You Get Out Of The Latest Version Of Nintendo Wii

Tuesday, November 24th, 2009

With a price tag of $250 or less, Nintendo’s Wii is reputed to be cheaper than most seventh generation game consoles. It also aims for a wider market demographic than its competitors. Hence, it is equipped with the capacity to be compatible with other platforms including the Internet.


Coming at only a few millimeters in height and width, the Wii is the smallest game console to ever rollout from Nintendo. And at only 2.7 pounds, it is the lightest among the present game consoles on the market. What’s more, the Wii can be placed in a horizontal or a vertical orientation; so there is no reason for you not to find a perfect space and position to keep it.


While the best features it may have to offer are its ability to receive messages and updates online via WiiConnect24 and its low electrical consumption, the following are some more of the unique features that Wii has to offer.


One-Handed Controller


A striking feature about Nintendo’s Wii is the remote controller that can be used with only one hand. The controller makes use of infrared sensors and accelerometers that are super sensitive to the user’s movements and can detect the way it is positioned in a three dimensional platform. With this controller, a gamer can play using his or her movements rather than mere button-pressing.


The controller also features force feedback technology wherein players can feel vibrations to better simulate the game being played in a real world scenario. Best of all, Wii controller has an internal speaker that enhances the feel of the game being played. Wii also comes with a nunchuk unit for that more traditional touch of an analog stick and trigger buttons.


Equipped with Bluetooth, the Wii controller is connected to the console without the limitations posed by cords. And it can also be connected to other devices thru a port located under the controller.


Retro-Compatibility


Wii offers retro or backward compatibility with Nintendo GameCube software and some hardware. This means you can enjoy GameCube games on your Wii. The console comes with four GameCube controller panels as the Wii remote controller can’t be used for GameCube games. It also has a slot for GameCube memory cards if you want to save games.


Parental Restrictions


The Wii console comes equipped with parental control capability. Parents can prohibit very young kids from playing games with unsuitable contents. Wii automatically checks the content rating of games being played. If a game doesn’t meet the restrictions set, Wii won’t load the game unless an override password is keyed in.


Buy a Nintendo Wii


It was called “Nintendo Revolution”. Nintendo Wii is the Nintendo Version that plays NTSC and encodes any disc format. With its cool look, the latest Japanese console is made of top-notch materials and comes with a compact, witty design.


Nintendo has taken on the approach of improving its entire system and not just taking from what their competition released. The Nintendo Wii controller that is special-motion sensitive.


The difference is that you can punch, drive or strike a sword by turning your wrist instead of pushing the button.


Its size is three DVD cases piled atop another. It is available in a silver stand, enabling the system to be displayed horizontally or vertically.


If you have been a Nintendo fan over the years, this console can play games compatible with the Nintendo GameCube. It can also download fan-favorite titles from the past 20 years for Nintendo 64 and Super Nintendo Entertainment System (SNES).


The Wii costs at around $250. This rate is cheaper than the Microsoft Xbox 360 and way cheaper than Sony PlayStation 3. The packaging of the Nintendo Wii includes a sports game that is quite addictive. That alone will let you feel first-hand what the system’s controller is all about.


In recent news, Nintendo Wii has outsold Sony’s PlayStation 3. Both components were released toward the end of the year (the former was available mid-November while the latter in mid-December).


There was a speculation that PlayStation 3 will be the best-selling game console all over the world. Unfortunately, that didn’t happen.


Nintendo has managed to ship 4 million Wii’s worldwide on December 31. That is twice the number of PlayStation 3′s promised to deliver. As 2006 closed down, Nintendo had already sold 600,000 Wii eight days after it debuted on November 19.


It could be the price. Nintendo Wii can be purchased at $250 whereas a Sony PlayStation 3 costs $600.


If all these have sparked your interest, you can buy Nintendo Wii in your local stores. You can also buy them online :www.amazon.com and www.bestbuy.com. You can compare prices from one store to another. Some sell them cheaper than the standard price.


By buying it on eBay, you also get a discount. That depends though whether you’re willing to go for a second-hand console.


However anyway you decide to get it, seems like Nintendo has managed to do well with this system.

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Wholesale Nintendo Wii Console – Why You Should Get One

Friday, November 20th, 2009

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